What potential difference must be applied to produce an electric field that can acceleration an electric to one length the velocity of light ?

What potential difference must be applied to produce an electric field that can acceleration an electric charge to one length the velocity of light ?

What potential difference must be applied to produce an electric field that can accelerate an electron to 1/10 of velocity of light.

If potential difference is applied the value of electric current

What do mean by the potential difference between two points in an electric field?

Electric potential at a point in an electric field.

In a cyclotron , the applied electric field

Define potential difference between two points in an electric field. Derive the relationship between the electric field and the potential difference.